import java.util.Arrays;

public class Err {

    public static void main(String[] args) {
        try {
            String[] na = new String[2];
            System.out.println(Arrays.toString(na));
            //System.out.println(Integer.parseInt("s"));
        } catch (Exception e) {
            //TODO: handle exception
            throw new IllegalArgumentException(e);//抛出IllegalArgumentException异常时带上原有的异常信息e
            //e.printStackTrace();
        }
    }

}